Shimano Dura-ace DI2 RD-R9150 Rear Derailleur 11-SPEED


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  • With the Dura-Ace Di2 RD-R9150 rear derailleur, Shimano introduces Shadow-profile technology known throughout the MTB sector. Thanks to its extremely flat construction and more direct positioning, damage is unlikely and cleaner shifting operation possible, even on uneven surfaces. As usual with Di2, this is done seamlessly with very little effort. The rear derailleur also features Synchro Shift functionality, allowing the front derailleur to adjust automatically, and here is further complemented by Semi-Synchro Shift. This means the rear derailleur is shifted accordingly when the front derailleur is engaged. The RD-R9150 consists almost entirely of super-light carbon and with its short cage length (SS type) for 11-speed cassettes up to 11-30.


    Series: Dura-Ace Di2 R9150
    Application: Road, Triathlon & Time Trial
    Gearing: 11-speed
    Mount: Standard (Direct Mount compatible)
    Capacity: 33-tooth
    Compatibility: Shimano Road 11-speed


    Derailleur Pulleys: 11-tooth
    Outer Cage Material: Carbon (CFRP)
    Inner Cage Material: Carbon (CFRP)
    Other Materials: Aluminium, carbon (CFRP)


    Power Cable: EW-SD50 (1 x connection)
    Shift/Brake Lever: ST-R9150, ST-R9160, ST-R9170, ST-R9180, ST-9070, ST-R8050, ST-R8060, ST-R8070, ST-9071, ST-6870, ST-6871, ST-RX815, ST-R785
    Cassette: CS-R9100, CS-9000, CS-6800, CS-5800, CS-R8000, CS-R7000
    Chain: CN-9000, CN-6800, CN-HG901-11, CN-HG701-11, CN-HG601-11, CN-LG500


    - ergonomic and effortless shifting
    - Shimano Synchro Shift
    - rear derailleur with flat profile: Shimano Shadow RD
    - compact and clean looks
    - derailleur pulley bearings sealed
    - painted cage plates
    - 4 pivot bushings, fluorine-coated
    - E-Tube project ensures firmware updates

    Cage Length: SS (Short)
    Max. Largest Sprocket Teeth: 30-tooth
    Min. Largest Sprocket Teeth: 25-tooth
    Max. Smallest Sprocket Teeth: 14-tooth
    Min. Smallest Sprocket Teeth: 11-tooth
    Max. Chainring Difference: 16-tooth
    Total Capacity: 33-tooth
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